| Show lack of oxygen Is causing death offish the only way to prevent the flail fish in navajo lake from dying is 18 to build a higher dehe across tile the lake it was waa officially announced after an investigation was made recently dr stillman wright expert from the bureau of fisheries and dr D L wild life expert of the after making recent tests said that the fish died because of the lack of oxygen every winter the lake freezes until there Is only ollya a small amount of water and the supply of oxygen limited this with gas caused by decaying vegetation causes the death of the fish if this Is the case it Is 18 useless to plant fish in I 1 the lake until the water level la Is raised nowell D B cook state fish and game commissioner hus has offered the full support of his department to southern utah fish and game organizations in promoting it a project to raise the dike or other methods of raising the water level of tho the lake thus preventing the heavy year yearly v loss in fish further investigation will probably bo be made iu in the near future to ascertain whether or not it Is possible to close the main sink holes instead of raising the dike |